High-definition Microphone?Earphone has a built-in high-definition microphone, supports high-definition voice calls, displays more sound details, restores the sense of reality. Excellent Durability?The headphone cable is made of soft and elastic high-quality TPE material, which is more wear-resistant and corrosion-resistant. It is not easy to knot and tangles, and the strong tensile ability makes you no longer worry about being broken. Comfortable to Wear?OKCSC scans the ear canal data of thousands of people. The semi-in-ear design applies good ergonomics to avoid squeezing and stuffiness, keep it stable, and let you have a more comfortable experience while listening to music. Wide Compatibility?USB earphones are suitable for all laptops and desktop computers. It can be used in company office or home leisure environment, compact and convenient, and can be carried with you. 14.2mm Dynamic Driver?Equipped with a dynamic driver with a diameter of 14.2 mm, it provides a powerful bass range, a beautiful midrange range and a clear high range, making the sound more layered and allowing you to clearly feel the sound of the instrument and the human voice. When you play a game, it will give you an immersive feeling.